The five largest domestic airlines in the U.S. all reported losses in the third quarter, but executives and analysts were cautiously optimistic that a rebound in business travel may be getting under way. "A lot of our corporate accounts are starting to hit the road again," said Delta Air Lines President Ed Bastian, adding that corporate fliers are "starting to move up the price point." Analysts noted that a similar theme throughout the industry's earnings calls. "There is evidence of improving travel demand, including from corporations," said Kevin Crissey of UBS. "All of the companies that have reported have cited this to one extent or another."